1/*
2 * Copyright (C) 2007 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package android.widget;
18
19/**
20 * <p>Defines a filterable behavior. A filterable class can have its data
21 * constrained by a filter. Filterable classes are usually
22 * {@link android.widget.Adapter} implementations.</p>
23 *
24 * @see android.widget.Filter
25 */
26public interface Filterable {
27    /**
28     * <p>Returns a filter that can be used to constrain data with a filtering
29     * pattern.</p>
30     *
31     * <p>This method is usually implemented by {@link android.widget.Adapter}
32     * classes.</p>
33     *
34     * @return a filter used to constrain data
35     */
36    Filter getFilter();
37}
38